/* Definitions and headers for webrender GUI backend.
   Copyright (C) 1995, 2001-2017 Free Software Foundation, Inc.

This file is part of GNU Emacs.

GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */

#include "lisp.h"

#ifndef EMACS_WRGUI_H
#define EMACS_WRGUI_H

/* Emulate X GC's by keeping color and font info in a structure.  */
typedef struct _XGCValues
{
  unsigned long foreground;
  unsigned long background;

  /* Dots per inch of the screen.  */
  double resx, resy;

  /* Number of planes on this screen.  */
  int n_planes;

  /* Mask of things that cause the mouse to be grabbed.  */
  int grabbed;

  struct font *font;
} XGCValues;

#define GCForeground 0x01
#define GCBackground 0x02
#define GCFont 0x03
#define GCGraphicsExposures 0

typedef void *Pixmap;
#ifdef HAVE_WINIT
typedef char *XrmDatabase;
#endif

typedef Emacs_GC *GC;
typedef int Color;

#ifdef HAVE_WINIT
typedef int Window;
typedef int Display; /* HDC so it doesn't conflict with xpm lib.  */
typedef int *Emacs_Cursor;
#endif
typedef int RGB_PIXEL_COLOR;

typedef void *Emacs_Pixmap;

#define XChar2b uint32_t

/* Windows equivalent of XImage.  */
typedef struct _WRImage
{
  unsigned char *data;
  int info;
  /* Optional RGBQUAD array for palette follows (see BITMAPINFO docs).  */
} WRImage;

typedef struct
{
  int x, y;
  unsigned width, height;
} XRectangle;

#define NativeRectangle Emacs_Rectangle

#define CONVERT_TO_EMACS_RECT(xr,nr)            \
  ((xr).x = (nr).x,				\
   (xr).y = (nr).y,				\
   (xr).width = (nr).width,	\
   (xr).height = (nr).height)

#define CONVERT_FROM_EMACS_RECT(xr,nr)		\
  ((nr).x = (xr).x,				\
   (nr).y = (xr).y,				\
   (nr).width = (xr).width,	\
   (nr).height = (xr).height)

#define STORE_NATIVE_RECT(nr,x_v,y_v,width_v,height_v)	\
  ((nr).x = (x_v),				\
   (nr).y = (y_v),				\
   (nr).width = (width_v),	\
   (nr).height = (height_v))

#define STORE_XCHAR2B(chp, b1, b2) \
  (*(chp) = ((XChar2b)((((b1) & 0x00ff) << 8) | ((b2) & 0x00ff))))

#define XCHAR2B_BYTE1(chp) \
  ((*(chp) & 0xff00) >> 8)

#define XCHAR2B_BYTE2(chp) \
  (*(chp) & 0x00ff)

/* Bit Gravity */

#define ForgetGravity 0
#define NorthWestGravity 1
#define NorthGravity 2
#define NorthEastGravity 3
#define WestGravity 4
#define CenterGravity 5
#define EastGravity 6
#define SouthWestGravity 7
#define SouthGravity 8
#define SouthEastGravity 9
#define StaticGravity 10

#define NoValue 0x0000
#define XValue 0x0001
#define YValue 0x0002
#define WidthValue 0x0004
#define HeightValue 0x0008
#define AllValues 0x000F
#define XNegative 0x0010
#define YNegative 0x0020

#define USPosition (1L << 0) /* user specified x, y */
#define USSize (1L << 1) /* user specified width, height */

#define PPosition (1L << 2) /* program specified position */
#define PSize (1L << 3) /* program specified size */
#define PMinSize (1L << 4) /* program specified minimum size */
#define PMaxSize (1L << 5) /* program specified maximum size */
#define PResizeInc (1L << 6) /* program specified resize increments */
#define PAspect (1L << 7) /* program specified min and max aspect ratios */
#define PBaseSize (1L << 8) /* program specified base for incrementing */
#define PWinGravity (1L << 9) /* program specified window gravity */

struct wr_bitmap_record
{
  char *file;
  int refcount;
  int height, width, depth;
};

#endif /* EMACS_WRGUI_H */
